dl-profstub.c

/* Helper definitions for profiling of shared libraries. Copyright (C) 1998, 2000, 2002, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */#include <dlfcn.h>#include <elf.h>#include <ldsodefs.h>/* This is the map for the shared object we profile. It is defined here only because we test for this value being NULL or not. */void
_dl_mcount_wrapper (void *selfpc)
{
GLRO(dl_mcount) ((ElfW(Addr)) RETURN_ADDRESS (0), (ElfW(Addr)) selfpc);
}
void
_dl_mcount_wrapper_check (void *selfpc)
{
if (GL(dl_profile_map) != NULL)
GLRO(dl_mcount) ((ElfW(Addr)) RETURN_ADDRESS (0), (ElfW(Addr)) selfpc);
}
libc_hidden_def (_dl_mcount_wrapper_check)